Harper wrote the expression 15-6+7 to represent "15 minus the sum of 6 and 7". Evaluate 15 - 6 + 7 and then exposing why Harper'
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According to the problem, the length is 2 feet more than its width, which is expressed as the following function
If the width is x, then the length is x+2.
We can express the following function for the area
Let's replace the width x = 11 ft.
Where x represents the width.